Physical science
question 11
an object of mass 2 kilograms is falling freely near earth's surface. which of the following options best approximates the magnitude of the gravitational force that earth exerts on the object?
a
0.0 n

b
0.2 n

c
2 n

d
20 n

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

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